Weimar Coalition
The Weimar Coalition (German: Weimarer Koalition) is the name given to the coalition government formed by the Social Democratic Party of Germany (SPD), the German Democratic Party (DDP) and the Catholic Centre Party (Z), who together had a large majority of the delegates to the Constituent Assembly that met at Weimar in 1919, and were the principal groups that designed the constitution of the Weimar Republic. These three parties were seen as the most committed to Germany's new democratic system, and together governed Germany until the elections of 1920, when the first elections under the new constitution were held, and both the SPD and especially the DDP lost a considerable share of their votes.